railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि A + B = 90° है, तो \(\frac{\sqrt{\tan A \tan B+\tan A \cot B}}{\sin A \sec B}\) का मान ज्ञात कीजिए।
1
tan2 A
2
sec A
3
tan A
4
sec2 A